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No heat

1007 Views 8 Replies 4 Participants Last post by  jeepgrady, 
J
Carrier infinity dual fuel, 3 years old, no heat. Led code 24, according to manual= secondary voltage fuse is open. Check for: short circuit in secondary voltage wiring. Dealer wants $225., just to walk in the door since it's after hours. Have him coming tomorrow instead. Broke out the electric heaters.

Any ideas?
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beenthere
Only if the humidifier is using the furnace's transformer. Many don't.

Every once in a while, the RV's coil will begin to short out, and blow a fuse intermittently. Same can happen to the coil of the heat pump.
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